Written by Zithri Gabuya Edited and Reviewed by Reuben J C. Los Baños, Ph.D. A health information system is a tool that helps collect, store, manage, and share information about people’s health. It is used by doctors, nurses, hospitals, and health organizations to keep track of everything related to health care in an organized and easy-to-use way. A health information system keeps records of things like: Instead of using paper files, most systems today use computers or special software to store this information safely and make it easy to find. The people and… Read More

Written by Kate Shanelle S. Bayawa Edited and Reviewed by Reuben J C. Los Baños, Ph.D. Physiology is the study of how the organs of the body work for it to function and maintain life. It helps you understand how organisms, organs, cells, and biomolecules work together to survive. This includes knowing how the heart, lungs, muscles, and brain do their tasks in your body. The word “physiology” comes from the Greek words “physis,” meaning “nature” or “origin,” and “logia,” meaning “study of.” Subdivisions of Physiology: You can also apply this in real… Read More

Written by John Kyle D. Buenavista Edited and Reviewed by Reuben J C. Los Baños, Ph.D. The spinal cord is a key part of the central nervous system. It serves as the main link between the brain and the body. It sends signals that control movement, sensation, and reflexes. It makes it essential for how the body works. This article discusses the structure and function of the spinal cord. It also covers common disorders that affect it and ways to keep your spine healthy. Structure of the Spinal Cord It begins at the… Read More

Written by Chrissel Kate B. Cadungog Edited and Reviewed by Reuben J C. Los Baños, Ph.D. The respiratory system includes the epithelium and connective, muscular, and nervous tissues. Each has a distinct role in breathing and protecting the airway. There are many human tissues involved in respiration and keeping the airways open. Four tissue types are found within the entire respiratory system: These tissues function collectively in an orchestrated way to sustain the function of the lung. For instance, mucus covering the top of the epithelium is cleaned up by epithelial cilia, and smooth muscle contracts during… Read More

Written by Kiara Aleksy T. Paglinawan Edited and Reviewed by Reuben J C. Los Baños, Ph.D. Skeletal muscle is a striated, multinucleated, and voluntary type of muscle tissue. Out of the three types of muscle tissue, skeletal muscle is the most abundant in the human body. It comprises about 30% to 40% of your body mass, with males having more than females. They connect to bones directly or through tendons, which are connective tissues. They are responsible for a variety of functions. Skeletal muscles produce voluntary movements, meaning you control how and when… Read More

Written by Gynne Ross Q. Ancheta Edited and Reviewed by Reuben J C. Los Baños, Ph.D. Have you ever wondered what our hair is composed of? Let me take you back to the basics! It is composed of a protein called keratin, a fibrous structural protein. In the hustle and bustle of life, we tend to get overwhelmed by chores and issues and forget to stop for a moment to enjoy the little marvels that abound. But occasionally, in the simplest of things—such as a single strand of hair—we see beauty, intricacy, and… Read More

Written by Danielle Bubole Edited and Reviewed by Reuben J C. Los Baños, Ph.D. The Golgi apparatus is the collecting, sorting, and packaging site of your cell. These packaged and sorted materials are then delivered to different sites for daily use. Thus, your Golgi apparatus’ main function is arranging collected cellular materials and putting them inside a vesicle to be delivered and used to different sites. It’s either delivered to: Exocytosis is the process of getting stuff outside of the cell. Endocytosis is the process of getting stuff into the cell. Now that… Read More

Written by Mary Margarethe R. Cuevas Edited and Reviewed by Reuben J C. Los Baños, Ph.D. The lysosome plays a crucial role in cellular survival. It acts as the cell’s garbage disposal system. It also breaks down macromolecules and recycles cellular components. They are always perceived as the degradative organelle of the cell. We all know that cells are the basic building blocks of life. They are the smallest units of life. But, they also carry out all the functions needed to keep organisms alive. Inside the cell, it has even smaller parts… Read More

Written by Lorraine V. Espina Edited and Reviewed by Reuben J C. Los Baños, Ph.D. What is the cytoskeleton and its function? The cytoskeleton is a complex and changing network of protein filaments and tubules. It exists in the cytoplasm of eukaryotic cells and some prokaryotic cells. It is a key part of the cell’s structure. It supports the cell and helps with many important functions. The scaffold-like structure supports the cell’s shape. It helps with intracellular transport and cell movement, and it also plays a role in cell division. Three primary types… Read More

Written by Lawrence Barquilla Edited and Reviewed by Reuben J C. Los Baños, Ph.D. The mitochondria’s major role is to generate ATP or adenosine triphosphate. ATP is the cell’s primary energy source and is utilized for reactions. Cellular respiration produces ATP. The mitochondrion (plural: mitochondria) is an organelle found in all eukaryotic cells. It is popularly known as the cell’s “powerhouse,” and its primary function is to produce energy for the body. You will learn throughout this article about the powers of the cell’s powerhouse. You will also identify the key roles this… Read More